INDIAN GEOGRAPHY

Detailed explanation-1: -In their inorganic chemical formula, non-metallic minerals do not contain metal elements. Clay, Diamond, Dolomite, Gypsum, Mica, Amethyst, Quartz, etc. are some common examples.

Detailed explanation-2: -Nonmetallic minerals are, for example, sand, gravel, limestone, clay, and marble.

Detailed explanation-3: -Non-metallic minerals are those minerals that do not contain metals and are organic in origin like fossil fuels or non-organic in nature like sand, gravel, mica, limestone, clay, graphite.

Detailed explanation-4: -Non-metallic minerals are minerals that do not contain any metals. Some examples of non-metallic minerals are limestone, mica, gypsum, coal, dolomite, phosphate, salt, and granite. Mineral fuels like coal and petroleum are also non-metallic minerals.

Detailed explanation-5: -Non-metallic minerals are either organic in origin such as fossil fuels also known as mineral fuels which are derived from the buried animal and plant life such as coal and petroleum. Other type of non-metallic minerals are inorganic in origin such as mica, limestone and graphite, etc.